Tiramisu Recipe with Chelsea Sugar for Make-Ahead Dessert

Tiramisu is an Italian dessert of coffee-dipped ladyfingers layered with mascarpone cream and finished with cocoa. This version uses Chelsea caster sugar and a gently cooked egg custard for a smooth, sliceable filling; like many tiramisu recipes, it is served chilled, and family versions vary in their use of cream and Marsala.

Ingredients

1½ cups (360 ml) strong coffee or espresso, cooled
2 tablespoons (30 ml) Marsala wine, optional
4 large egg yolks
2 large whole eggs
¾ cup (150 g) Chelsea caster sugar, or another fine white sugar
⅛ teaspoon (about 0.5 g) fine salt
1 teaspoon (5 ml) vanilla extract
16 ounces (454 g) mascarpone cheese, cool but not refrigerator-hard
1 cup (240 ml) cold heavy cream
24 to 30 crisp ladyfingers (savoiardi), about 7 ounces (200 g)
2 tablespoons (10 g) unsweetened cocoa powder, for finishing

Instructions

Prepare the coffee. Pour the cooled coffee into a shallow bowl and stir in the Marsala, if using. Set it beside a 9-by-9-inch (23-by-23-cm) dish or a similar 2-quart (1.9-liter) serving dish. If you do not have cooled coffee ready, brew it ahead and refrigerate it; warm coffee softens the biscuits too quickly.
Whisk the eggs and sugar. Put the egg yolks, whole eggs, caster sugar and salt in a heatproof bowl that fits over a saucepan without touching the water. Add about 1 inch (2.5 cm) of water to the saucepan and bring it to a gentle simmer. Set the bowl over the pan and whisk constantly, scraping the sides and base, until the mixture is pale, thick and forms ribbons when the whisk is lifted, about 8 to 10 minutes. The USDA FSIS safe minimum for egg dishes is 160°F (71°C), so check the custard with a food thermometer and keep whisking until it reaches that temperature. Do not let the bowl touch the simmering water or allow the water to boil vigorously, as the eggs may cook unevenly.
Cool the custard. Remove the bowl from the saucepan, whisk in the vanilla and set it aside for 15 minutes, stirring once or twice. It should be warm or close to room temperature before it meets the mascarpone; hot custard can make the cheese loose or oily.
Make the mascarpone cream. In a large bowl, stir the mascarpone briefly with a spatula until smooth. Add the cooled egg mixture in two additions, folding gently after each. In a separate bowl, whip the cold heavy cream to medium peaks: the peaks should hold their shape but curl slightly at the tips. Fold the cream into the mascarpone mixture in two or three additions, using broad strokes and stopping as soon as no streaks remain. Overmixing can make the filling grainy or slack.
Dip and layer the ladyfingers. Work with one biscuit at a time. Dip it into the coffee for about 1 second on each side, just long enough to color the surface, then place it in the dish. Arrange the biscuits snugly in a single layer, breaking a few if needed to fill gaps. They should remain firm enough to lift; prolonged soaking makes a watery base.
Add the cream and second layer. Spread half of the mascarpone mixture evenly over the biscuits. Dip and arrange a second layer of ladyfingers, then spread the remaining cream on top. Smooth the surface without pressing hard, which can push coffee out of the lower layer.
Chill and finish. Cover the dish and refrigerate for at least 6 hours so the layers set and the biscuits soften evenly. For the neatest portions, leave it overnight. Just before serving, sift the cocoa over the top; adding it at the last moment keeps it dry and dark rather than damp and patchy.

Tips

Use fine sugar if you can. Caster sugar dissolves more readily into the egg mixture than coarse granulated sugar. If regular granulated sugar is what you have, whisk steadily and check that the grains have dissolved before you remove the bowl from the heat. The sugar brand is not essential to the recipe.
Keep the mascarpone cool, not icy. Very cold mascarpone can be difficult to blend and may leave small lumps, while warm cheese can turn runny. Let it sit out briefly while the custard cools, but do not leave the dairy at room temperature for an extended period.
Dip quickly. Crisp savoiardi absorb coffee fast. A quick dip on both sides gives the finished dessert a distinct coffee flavor without turning the base to mush. If your biscuits are softer than traditional crisp ladyfingers, dip only one side briefly.
Make a stable topping. Wait until just before serving to dust with cocoa. If you want especially tidy slices, chill overnight and wipe the knife clean between cuts. A warm, dry knife can also help cut through the chilled layers, but do not use one so hot that it melts the cream.

Serving Suggestions

Serve tiramisu cold, straight from the refrigerator, cut into eight portions with a thin spatula. The cocoa and coffee make it a natural dessert after a meal, especially alongside fresh berries or sliced pears, which offer a bright contrast to the rich cream. A small cup of espresso or unsweetened coffee complements the coffee-soaked layers without adding more sweetness. For a dinner party, assemble the dessert in a clear glass dish so the alternating biscuit and cream layers show, then bring the whole dish to the table and portion it there.

If you prefer individual servings, layer the same ingredients in eight small glasses. Break the ladyfingers to fit, dip the pieces quickly, and divide the cream evenly between layers. Individual portions are convenient for serving, but they still need the same minimum chilling time; cover the glasses so the cream does not pick up refrigerator odors.

Variations

Skip the Marsala: Leave it out for a non-alcoholic dessert with a straightforward coffee flavor. You can replace it with 1 tablespoon (15 ml) of extra coffee if you want to keep the dipping mixture at the same volume. For a different aroma without alcohol, add ½ teaspoon (2.5 ml) of almond extract to the coffee, but use a light hand because its flavor is strong.

Use a different coffee: Strong brewed coffee works well if you do not have espresso. Make it a little more concentrated than you would for drinking, then cool it fully. Decaffeinated coffee is also suitable and changes the caffeine level, not the method. Avoid sweetened coffee drinks, which can make the layers overly sweet and leave a sticky finish.

Make a cocoa-free finish: Instead of cocoa, grate 1 ounce (28 g) of dark chocolate over the top shortly before serving. For a citrus note, add 1 teaspoon (2 g) of finely grated orange zest to the mascarpone cream. These are optional twists rather than requirements; the classic combination of coffee, mascarpone and cocoa is complete on its own.

Adjust the dish size: A slightly smaller, deeper dish gives thicker layers, while a wider dish makes thinner portions. Use the same quantities and check that the ladyfingers fit in two complete layers. If your dish shape means you need more biscuits, do not stretch the cream too thin; use a small glass to make an extra portion instead.

Storage and Reheating

Keep tiramisu covered and refrigerated at 40°F (4°C) or colder. Refrigerate it within 2 hours of assembling or serving, and do not leave it sitting out through a long meal; return the dish to the refrigerator between servings. For the best texture, serve it within 1 to 2 days. It can generally be kept refrigerated for up to 3 days, though the biscuits become softer as time passes. Because this is a chilled dessert, reheating is not appropriate.

You can freeze tightly covered portions for up to 1 month. Thaw them in the refrigerator, not on the counter, and expect the cream to be a little less airy after thawing. Dust with fresh cocoa after thawing. Do not refreeze portions that have already thawed, and discard the dessert if it has been left at room temperature for more than 2 hours.

Frequently Asked Questions

Can I make tiramisu a day ahead?

Yes. Making it the day before gives the coffee time to flavor the biscuits and lets the cream set, so it is easier to portion. Cover the dish as soon as it is assembled and keep it refrigerated. Add the cocoa just before serving for a fresher-looking finish.

Why did my tiramisu turn watery?

The most common causes are soaking the ladyfingers too long, using coffee that is still warm, or making the cream too loose by overmixing. Dip crisp biscuits very briefly, cool the coffee fully, and fold the whipped cream into the mascarpone mixture gently. Allow the assembled dessert the full chilling time before cutting.

Can I use granulated sugar instead of Chelsea caster sugar?

Yes. Use the same weight, 150 g (¾ cup), and whisk it into the eggs over the simmering water until it dissolves and the mixture reaches 160°F (71°C). Caster sugar dissolves more quickly because its crystals are smaller, so granulated sugar may need a little extra whisking. Do not increase the heat to speed it up.

What can I use instead of mascarpone?

Mascarpone has a mild flavor and high fat content that give tiramisu its characteristic silky cream. If it is unavailable, use full-fat cream cheese softened and stirred smooth, then blend it with a little heavy cream until it is more supple. The result will be tangier and denser, so it will not taste exactly like mascarpone-based tiramisu. Avoid low-fat cream cheese, which can make the filling watery.

Can I make this without alcohol?

Yes. Marsala is optional here, and leaving it out does not affect the layers or setting. Use the coffee on its own, or replace the small amount of Marsala with extra cooled coffee. The dessert will still have a pronounced coffee flavor and a creamy mascarpone filling.

How do I know the egg custard is cooked safely?

Use a food thermometer and whisk continuously until the mixture reaches 160°F (71°C), the USDA FSIS safe minimum for egg dishes. Check the center of the custard without touching the bowl or pan. A thick texture is a useful visual cue, but a thermometer is the reliable check for this recipe.

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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

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